Hail history for Granby, Massachusetts
NOAA hail reports in and within about 5 km (3 miles) of Granby since 1997, with preliminary reports to November 3, 2026.
Readout · Granby
- Last hail
- Jul 17, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 3 reports
- Largest ever
- 1.25 in
- half dollar · Jul 14, 2020
12 reports on 12 days since 1997 · #25 of 35 Massachusetts places
Hail map · Granby
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Granby is from July 17, 2024. A local roofer can check and document it at no cost.
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What the record says about Granby
The latest hail report in and around Granby is from July 17, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.00 in on July 17, 2024.
Over the 20 years 2006–2025, Granby logged 8 reports on 8 hail days, about 0.4 reports a year. That is 20% less than the median Massachusetts town on this site (0.5 a year) and ranks #25 of 35 Massachusetts cities and towns on this site for all-time reports. Granby accounts for 9% of the 139 reports filed in Hampshire County.
0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Massachusetts town on this site. The largest hail on record here is 1.25 in (half dollar) on July 14, 2020 near South Hadley.
Reports were up 200% in 2016–2025 (6) compared with 2006–2015 (2). The busiest year was 2024, with 3 reports on 3 days. Hail here peaks in July (42% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Granby 0.4
- Hampshire County 4.2
- Median Massachusetts town on this site 0.5
Hail days 2006–2025
- Granby 8
- Hampshire County 47
- Median Massachusetts town on this site 8
Share 2 in or larger of sized reports
- Granby 0%
- Hampshire County 1%
- Median Massachusetts town on this site 0%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 3 | 3 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 17, 2024 | 1 | 1.00 in | — |
| Jul 16, 2024 | 1 | 0.75 in | — |
| Jul 15, 2024 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 14, 2020 | 1.25 inhalf dollar | South Hadley | Hampshire | 11:15 local · NCEI |
| Jul 17, 2024 | 1.00 inquarter | 0.86 NW Granby | Hampshire | 16:38 local · NCEI |
| Mar 13, 2012 | 0.88 innickel | 0.86 NW Granby | Hampshire | 23:22 local · NCEI |
| Jul 16, 2024 | 0.75 inpenny | 0.69 N Granby | Hampshire | 04:55 local · NCEI |
| Jul 15, 2024 | 0.75 inpenny | 0.52 NNE Granby | Hampshire | 15:30 local · NCEI |
Size of every report
- Under 1 in 10 83%
- 1–2 in 2 17%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 17, 2024 | 1.00 inquarter | 0.86 NW Granby | Hampshire | 16:38 local · NCEI |
| Jul 16, 2024 | 0.75 inpenny | 0.69 N Granby | Hampshire | 04:55 local · NCEI |
| Jul 15, 2024 | 0.75 inpenny | 0.52 NNE Granby | Hampshire | 15:30 local · NCEI |
| Apr 21, 2021 | 0.75 inpenny | 0.86 NW Granby | Hampshire | 14:46 local · NCEI |
| Jul 14, 2020 | 1.25 inhalf dollar | South Hadley | Hampshire | 11:15 local · NCEI |
| May 31, 2017 | 0.75 inpenny | 0.86 NW Granby | Hampshire | 18:11 local · NCEI |
| Mar 13, 2012 | 0.88 innickel | 0.86 NW Granby | Hampshire | 23:22 local · NCEI |
| Jun 5, 2007 | 0.75 inpenny | South Hadley | Hampshire | 11:52 local · NCEI |
| Jun 30, 2001 | 0.75 inpenny | Granby | Hampshire | 16:35 local · NCEI |
| May 28, 2001 | 0.75 inpenny | South Hadley | Hampshire | 15:12 local · NCEI |
| May 31, 1998 | 0.75 inpenny | South Hadley | Hampshire | 20:30 local · NCEI |
| Jul 7, 1997 | 0.75 inpenny | South Hadley | Hampshire | 11:26 local · NCEI |
Hail history near Granby
- Chicopee 10 km · 20
- Belchertown 10 km · 15
- Amherst Town 11 km · 34
- Holyoke 11 km · 14
- Northampton 14 km · 19
- Springfield 17 km · 54
- Wilbraham 17 km · 12
- West Springfield Town 19 km · 19
Questions about hail in Granby
How often does it hail in Granby, Massachusetts?
12 hail reports have been logged in and within about 5 km (3 miles) of Granby since 1997. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #25 of 35 Massachusetts places by number of reports.
When is hail season in Granby?
Most reports come in July, May, June. July alone accounts for 42% of all reports.
What is the largest hail recorded in Granby?
1.25 in (half dollar size) on July 14, 2020 near South Hadley. 0% of reports here were 2 inches or larger.
When did it last hail in Granby?
The most recent report in this data is from July 17, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Granby had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was July 17, 2024.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.